Want to batch export data from DB2 tables to JSON files?
Try Withdata DBToFile, a DB2 to JSON converter for Windows, Linux, and macOS, Export DB2 data to JSON, Easy and Fast.
- Can run in GUI mode, Step by Step, just a few mouse clicks.
- Can run in Command line, for Scheduled Tasks and Streams.
- Support Windows, Linux, and macOS.
Batch export data from DB2 tables to JSON files
Login to DB2 -> Select DB2 tables -> Set JSON file options -> Export DB2 tables to JSON
Choose DB2 and logon.
Click “Export All Tables” at task dialog.
Select JSON file type.
1. Select DB2 tables to export.
2. Set JSON options.
3. See DB2 tables to be exported.
4. Set rows options.
5. Export DB2 data to JSON files.
After exporting, you can view output JSON files.
More about DB2 to JSON converter
Download Withdata DBToFile
See also:
- Export DB2 table to JSON
- Export DB2 query results to JSON
- Export multiple similar DB2 tables to one JSON file
DB2 → JSON reference
Type mapping
| Value kind | in DB2 | in JSON |
|---|---|---|
| Int | INTEGER | 1234 (number) |
| Bigint | BIGINT | 9007199254740993 |
| Decimal | DECIMAL(p,s) | 1234.56 (number) |
| Float | DOUBLE | 1.234e10 (number) |
| Text | VARCHAR(n) | "text" (string) |
| Long text | CLOB | "multi-line\ntext" (escaped newline inside a string) |
| Date | DATE | "2026-09-18" (string) |
| Datetime | TIMESTAMP | "2026-09-18T14:30:00Z" (string) |
| Binary | BLOB | "base64:..." (string) |
| Boolean | SMALLINT | true / false (boolean) |
| JSON | CLOB | nested object or array, kept as structure |
Dialect differences
DB2 is a database server and JSON is a file format, so the gap is wider than a dialect difference – the rows below are where values and structure stop lining up.
| Property | in DB2 | in JSON |
|---|---|---|
| port | 50000 | — |
| identifiers | "double quotes" | Double quotes; backslash escapes |
| row limit | FETCH FIRST n ROWS | — |
| dates | DATE, TIME, TIMESTAMP | No date type: dates arrive as strings and the reader must p... |
| long text | CLOB | — |
| binary | BLOB | Not supported natively - base64 inside a string |
| separator | — | Braces and commas |
| encoding | — | UTF-8 by definition |
| typing | — | string, number, boolean, null, object, array - no date type |
| shape | Tables of rows and columns | Nested objects and arrays |
| ceiling | — | Whole document is usually parsed into memory |
Command line
| Side | Command |
|---|---|
| DB2 | EXPORT TO out.csv OF DEL |
| DB2 (load) | db2 IMPORT FROM file OF DEL |
Convert your data online, free
Free in-browser converters for CSV, Excel, JSON, XML and SQL: Withdata Online Data Conversion. Large files, batch conversion or scheduling? See the offline desktop apps, or browse all data conversion tools.
